Finding the Fourth Proportional to 131,358.21, 181,261.26 and 73,995.93
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Solution
The fourth proportional to 131,358.21, 181,261.26 and 73,995.93 is: 102,107.02
Step by Step Solution
- Step 1: Write the proportion equation
131,358.21 : 181,261.26 = 73,995.93 : x - Step 2: Convert to fraction form
131,358.21/181,261.26 = 73,995.93/x - Step 3: Cross multiply
131,358.21x = 181,261.26 × 73,995.93 - Step 4: Simplify right side
131,358.21x = 13,412,595,506.67 - Step 5: Solve for x
x = 13,412,595,506.67/131,358.21 - Step 6: Final answer
x = 102,107.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.